Cayenne weather in May (French Guiana)

This month is known as a warm month. The average maximum daytime temperature in Cayenne in May lies at 29.9°C (85.82°F). The average minimum temperature goes down to around 23.9°C (75.02°F) (often the minimum temperature is noted at night).

May is part of the rainy season with an average precipitation of 403mm (15.9 inches). This makes it the wettest month of the year. There are generally around 25 rainy days. The sun will show itself now and again, with 122 hours of sunshine during the entire month.

 

Cayenne, monthly averages in May

Show in Fahrenheit

Min Temperature 23 °C  

Max Temperature 29 °C  

Water Temperature 28 °C  

Chance of Rain 86%  

Precipitation 403mm  

Rainy days 26 days  

Humidity 85%  

Sunshine 122 hrs  

Where to go in French Guiana in May

Find out more about the weather in French Guiana in May and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in May? Visitors traveling to Cayenne should plan on bringing a totally waterproof coat since it will often be raining. However, also bring your summer cloths because it can be very warm or even hot. With a water temperature of around 28.0°C (82.4°F), this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Cayenne.

Our site offers climate and forecast data for every country in the world. Are you going to French Guiana? On this website you can find historical weather averages for many cities in French Guiana. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.